Operation SOLO was a long-running FBI program to infiltrate the Communist Party of the United States and gather intelligence about its relationship to the Union of Soviet Socialist Republics, China, and other communist nations. It officially began in 1958 and ended in 1977. The records of theā¦
Digital archive of more than 6700 digital copies of FBI documents. One can find records of the Operation SOLO and investigations of Soviet spies in this archive.